1310138224 has 20 divisors (see below), whose sum is σ = 2540384280. Its totient is φ = 654555200.

The previous prime is 1310138209. The next prime is 1310138239. The reversal of 1310138224 is 4228310131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1310138209) and next prime (1310138239).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10654 + ... + 52285.

It is an arithmetic number, because the mean of its divisors is an integer number (127019214).

Almost surely, 2^1310138224 is an apocalyptic number.

It is an amenable number.

1310138224 is a deficient number, since it is larger than the sum of its proper divisors (1230246056).

1310138224 is a wasteful number, since it uses less digits than its factorization.

1310138224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64248 (or 64242 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1310138224 is about 36195.8315832086. The cubic root of 1310138224 is about 1094.2226641104. Note that the first 3 decimals are identical.

Adding to 1310138224 its reverse (4228310131), we get a palindrome (5538448355).

The spelling of 1310138224 in words is "one billion, three hundred ten million, one hundred thirty-eight thousand, two hundred twenty-four".